CN212201333U

CN212201333U - Assembled concrete building structure cementer

Info

Publication number: CN212201333U
Application number: CN202020808547.5U
Authority: CN
Inventors: 胡昆; 刘永奇; 高建周; 杜勇欣; 田文慧; 詹林山; 叶芳; 李晓朋; 景然; 刘娇; 张顺; 任瑞杰; 崔孝龙; 石思思; 卢瑞琴; 王海云; 胡源; 崔彦秋; 翟志
Original assignee: Hebei Construction Group Corp Ltd
Current assignee: Hebei Construction Group Corp Ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-12-22
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses an assembled concrete building structure cementer belongs to cementer technical field. The grouting device comprises a grouting pump and a vacuum pump, the grouting pump is communicated with a plugging device at a grouting hole through a grouting pipe, the grouting hole is communicated with a grout outlet through a communication cavity, the plugging device is arranged at the grout outlet, the plugging device is communicated with one end of the grout outlet, the other end of the grout outlet is provided with a first branch pipe and a second branch pipe, one end of the first branch pipe is provided with a waste grout barrel, and one end of the second branch pipe is communicated with the vacuum pump. A first valve is arranged on the grouting pipe, a second valve is arranged on the first branch pipe, and a third valve is arranged on the second branch pipe. The utility model adopts the above-mentioned assembled concrete building structure cementer can solve current cementer and easily cause the closely knit degree of grout poor, influences the problem of structural connection intensity and construction quality.

Description

Assembled concrete building structure cementer

Technical Field

The utility model belongs to the technical field of the cementer, especially, relate to an assembled concrete building structure cementer.

Background

With the vigorous popularization of the assembly type building step in China, the assembly type concrete structures such as the assembly type integral shear wall structure and the assembly type integral frame structure are widely applied in China, so that the application of the assembly type concrete structure in the assembly type building structure accounts for a large proportion. The connection mode between the component adopts the mode that the steel bar grout is connected more among the prefabricated concrete structure, connects through the intercommunication chamber between the grout space, just can realize the grout in a plurality of grout spaces through the grout to one of them grout hole, accomplishes the connection of two concrete structures. Due to the fact that the slurry is high in viscosity, holes are prone to being blocked in actual grouting operation, gas in the communicating cavity cannot be effectively discharged due to the fact that the slurry has to be poured into the holes from the slurry outlet, compactness of the grouting slurry in the communicating cavity is affected, and therefore connection strength and construction quality of the structure are affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an assembled concrete building structure cementer solves current cementer and easily causes the closely knit degree of grout poor, influences structural connection intensity and construction quality's problem.

In order to achieve the purpose, the utility model provides an assembly type concrete building structure grouting device, which comprises a grouting pump and a vacuum pump, wherein the grouting pump is communicated with a plugging device at a grouting hole through a grouting pipe, the grouting hole is communicated with a grout outlet through a communicating cavity, the plugging device is arranged at the grout outlet, the plugging device is communicated with one end of the grout outlet, the other end of the grout outlet is provided with a first branch pipe and a second branch pipe, one end of the first branch pipe is provided with a waste grout barrel, and one end of the second branch pipe is communicated with the vacuum pump;

a first valve is arranged on the grouting pipe, a second valve is arranged on the first branch pipe, and a third valve is arranged on the second branch pipe.

Preferably, the grouting pipe and the grout outlet pipe are connected with the plugging device through connector pipes, and the connector pipes are in interference insertion connection with the plugging device, the grouting pipe and the grout outlet pipe.

Preferably, the plugging device comprises a hollow screw rod, a pressure plate is fixedly arranged at one end of the outside of the screw rod, a reaction plate is sleeved outside the screw rod, an expansion ring is arranged between the reaction plate and the pressure plate, a through hole which is arranged in the center of the expansion ring and the center of the reaction plate and allows the screw rod to pass through is formed in the center of the expansion ring and the center of the reaction plate, the aperture of the through hole is larger than the outer diameter of the screw rod, the diameter of the reaction plate is larger than the diameters of the expansion ring and the pressure plate, a locking nut is connected to the outside of; the other end of the screw rod is connected with a transparent hose, a self-sealing strip is arranged inside the hose, a reverse folding line is arranged on the hose, and the reverse folding line is positioned outside the self-sealing strip; the hose is connected with the grouting pipe or the grout outlet pipe through the joint pipe.

Preferably, the diameters of the pressure plate and the expansion ring are smaller than the diameters of the grout outlet and the grout hole, and the diameter of the reaction plate is larger than the diameters of the grout outlet and the grout hole.

Preferably, a handle which is convenient for rotating the locking nut is arranged on the outer surface of the locking nut; and anti-skid grains for increasing the connection strength of the plastic hose and the screw are arranged on the outer surface of one end of the screw, which is connected with the plastic hose.

Assembled concrete building structure cementer's beneficial effect be:

1. the vacuum pump is adopted to vacuumize the communicating cavity, and the grouting pump is adopted to perform grouting, so that the grouting pressure of the slurry is improved, and the slurry can be smoothly poured into the communicating cavity.

2. The grouting hole and the grout outlet are respectively provided with a plugging device, a self-sealing strip is arranged in a hose of the plugging device, the grouting hole and the grout outlet are conveniently sealed at any time, and the communicating cavity is conveniently vacuumized and grouted.

3. The slurry outlet hole is connected with a slurry outlet pipe through a plugging device, and one end of a branch pipe of the slurry outlet pipe is provided with a waste slurry barrel for collecting waste slurry, so that the pollution of the waste slurry to the surface of the component is avoided.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural view of a grouting device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a grouting device according to an embodiment of the grouting device for an assembled concrete building structure of the present invention;

fig. 3 is a schematic structural view of a plugging device according to an embodiment of the grouting device for an assembled concrete building structure of the present invention;

fig. 4 is the utility model relates to a plugging device mounting structure schematic diagram of assembled concrete building structure cementer embodiment.

Reference numerals

1. A member; 2. a communicating cavity; 3. grouting pump; 4. grouting pipes; 5. a first valve; 6. a joint pipe; 7. a plugging device; 8. grouting holes; 9. a slurry outlet; 10. a pulp outlet pipe; 11. a first branch pipe; 12. a waste pulp barrel; 13. a second branch pipe; 14. a vacuum pump; 15. a second valve; 16. a third valve; 17. a screw; 18. a pressure plate; 19. an expansion ring; 20. a reaction plate; 21. locking the nut; 22. a handle; 23. a hose; 24. a self-sealing strip; 25. a reverse fold line; 26. an anti-rotation slot; 27. and (4) anti-skid lines.

Detailed Description

Examples

The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed embodiments and the specific operation processes are provided, but the protection scope of the present invention is not limited to the present embodiment.

Fig. 1 is the utility model relates to a cementer schematic structural diagram of assembled concrete building structure cementer embodiment, fig. 2 is the utility model relates to a cementer schematic structural diagram two of assembled concrete building structure cementer embodiment. As shown in the figure, the assembled concrete building structure grouting device comprises a grouting pump 3 and a vacuum pump 14, wherein the grouting pump 3 is communicated with a plugging device 7 at a grouting hole 8 through a grouting pipe 4. Plugging device 7 pegs graft in grout hole 8, is connected through connector 6 between grout pipe 4 and the plugging device 7, and the both ends of connector 6 overlap respectively and are established plugging device 7 and the outside of grout pipe 4, are connected grout pipe 4 and plugging device 7. The joint pipe 6 is inserted with the plugging device 7 and the grouting pipe 4 in an interference fit manner, so that the connection strength is ensured, and the separation under the action of the grouting pump 3 is avoided.

The grouting hole 8 is communicated with the grout outlet 9 through the communicating cavity 2, and the plugging device 7 is also arranged at the grout outlet 9. The plugging device 7 is also communicated with one end of the slurry outlet pipe 10 through the joint pipe 6, and the joint pipe 6 is sleeved outside the plugging device 7 and the slurry outlet pipe 10 to connect the plugging device 7 with the slurry outlet pipe 10. The other end of the pulp outlet pipe 10 is provided with a branch pipe I11 and a branch pipe II 13, and the pulp outlet pipe 10 is connected with the branch pipe I11 and the branch pipe II 13 through a tee joint. One end of the branch pipe I11 is provided with a waste pulp barrel 12. One end of the branch pipe two 13 is communicated with a vacuum pump 14.

The grouting pipe 4 is provided with a first valve 5, the first branch pipe 11 is provided with a second valve 15, and the second branch pipe 13 is provided with a third valve 16. The first valve 5, the second valve 15 and the third valve 16 are all ball valves.

Fig. 3 is the utility model relates to a plugging device schematic structure of assembled concrete building structure cementer embodiment, fig. 4 is the utility model relates to a plugging device mounting structure of assembled concrete building structure cementer embodiment schematic diagram. As shown, the plugging device 7 comprises a hollow screw 17, and the screw 17 is a metal tube. A pressure plate 18 is fixedly arranged at one end of the outer part of the screw rod 17, and a reaction plate 20 is sleeved on the outer part of the screw rod 17. An expansion ring 19 is arranged between the counter force plate 20 and the pressure plate 18, a through hole which is arranged at the center of the expansion ring 19 and the counter force plate 20 and enables the screw rod 17 to pass through is arranged, and the aperture of the through hole is larger than the outer diameter of the screw rod 17, so that the expansion ring 19 and the counter force plate 20 can slide along the length direction of the screw rod 17. The diameters of the pressure plate 18 and the expansion ring 19 are slightly smaller than the diameters of the grout outlet 9 and the grout inlet 8, so that the expansion ring 19 can enter the grout outlet 9 and the grout inlet 8. The diameter of the reaction plate 20 is larger than the aperture of the grout outlet 9 and the grout outlet 8, so that the reaction plate 20 can be clamped outside the grout outlet 9 and the grout outlet 8.

The screw 17 is externally threaded with a lock nut 21, the lock nut 21 being located outside the reaction plate 20. The outer surface of the locking nut 21 is provided with a handle 22 which is convenient for rotating the locking nut 21, the locking nut 21 is rotated through the handle 22, so that the locking nut 21 pushes the reaction plate 20, the expansion ring 19 deforms and expands under the extrusion of the reaction plate 20 and the pressure plate 18 and is tightly propped against the hole wall of the grout outlet 9 or the grout hole 8, and the sealing connection of the plugging device 7 and the grout outlet 9 and the grout hole 8 is realized.

The other end of the screw 17 is connected with a transparent hose 23, and the outer surface of one end of the screw 17 connected with the hose 23 is provided with anti-skid grains 27 for increasing the connection strength between the hose 23 and the screw 17, so that the connection strength between the hose 23 and the screw 17 is improved. The aperture of the through hole arranged at the center of the reaction plate 20 and the expansion ring 19 is slightly larger than the diameter of the anti-skid thread 27, so that the reaction plate 20 and the expansion ring 19 can be smoothly sleeved on the screw rod 17. The hose 23 is connected with the grout pipe 4 or the grout outlet pipe 10 through the joint pipe 6. The hose 23 is provided with a self-sealing strip 24 inside, and the self-sealing strip 24 is of an existing structure. The hose 23 is provided with a reverse folding line 25, the reverse folding line 25 is positioned outside the self-sealing strip 24, and the hose 23 is bent through the reverse folding line 25 to further seal the hose 23.

The outer surface of the screw 17 is provided with an anti-rotation groove 26 for preventing the screw 17 from rotating, the anti-rotation groove 26 is a plane milled on the outer surface of the screw 17, and when the nut is rotated, in order to prevent the screw 17 from rotating together, pliers are used for clamping the anti-rotation groove 26 to prevent the screw 17 from rotating.

The construction method of the assembled concrete building structure grouting device comprises the following steps:

and S1, tightly sealing the edge of the gap on the periphery of the member 1 according to the specification requirement to form a closed communication cavity 2. If the cement-based material is adopted for plugging, a sufficient maintenance period is reserved, so that the plugging of the connecting cavity is firmer.

S2, inserting the screw 17 of the plugging device 7 into the grouting hole 8 and the grout outlet 9, and screwing the locking nut 21 to enable the expansion ring 19 to be in close contact with the inner walls of the grouting hole 8 and the grout outlet 9; and finishing the installation of the plugging device 7 on the grouting hole 8 and the grout outlet hole 9.

S3, the grouting pump 3 is connected with the grouting pipe 4, the grouting pipe 4 is connected with the hose 23 of the plugging device 7 at the grouting hole 8 through the joint pipe 6, the grouting hole 8 is a hole which is located at the lowest point of one end of the component 1 and is communicated with the communicating cavity 2, and sequential grouting from bottom to top is achieved. The hose 23 of the plugging device 7 positioned at the slurry outlet hole 9 at the upper part of the component 1 is communicated with the slurry outlet pipe 10 through the joint pipe 6, one end of the slurry outlet pipe 10 is communicated with the branch pipe I11 and the branch pipe II 13 through a tee joint, the branch pipe II 13 is connected with the vacuum pump 14, and the end head of the branch pipe I11 is provided with the waste slurry barrel 12. The position where the adapter tube 6 is inserted into the hose 23 of the plugging device 7 must not exceed the folding back line provided in the hose 23.

S4, bonding the self-sealing strip 24 in the hose 23 of the plugging device 7 which is not communicated with the pulp outlet pipe 10 together to seal the hose 23, and meanwhile, folding, binding and fixing the hose 23 along the folding line on the hose 23 to further seal the hose 23; the self-sealing strip 24 of the other grouting device is in an open state, i.e. the hose 23 is in an open state.

S5, closing the first valve 5 and the second valve 15, and opening the third valve 16; and opening the vacuum pump 14 to vacuumize the communication cavity 2, so as to facilitate the filling of the slurry. The vacuum pump 14 pumps the pressure in the communicating cavity 2 to 0.06-0.1 MPa.

And S6, pouring the stirred slurry into an ash hopper of the grouting pump 3, opening the first valve 5, starting the grouting pump 3 to start grouting, and grouting the slurry into the communicating cavity 2 under the action of the grouting pump 3 and the vacuum pump 14. During grouting, the pressure of the vacuum pump 14 is always kept between 0.06 MPa and 0.1 MPa.

S7, when slurry flows out of the hose 23 of the plugging device 7 connected with the slurry outlet pipe 10, the self-sealing strip 24 of the plugging device 7 is sealed; when no grout flows out of the hose 23 of the plugging device 7 which is not connected with the grout outlet pipe 10, opening the self-sealing strip 24 of the plugging device 7 until grout flows out of the hose 23, closing the hose 23 again through the self-sealing strip 24, and bundling the hose 23 through the reverse folding line 25; until all the hoses 23 of the plugging devices 7 at the grout outlet holes 9 have grout flowing out; valve three 16 and vacuum pump 14 are closed. The fact that slurry flows out of the hose 23 in the present embodiment means that slurry enters the hose 23, and the fact that slurry does not actually flow out of the hose 23 means that the transparent hose 23 facilitates observation of the slurry inside the hose 23. When more slurry enters the slurry outlet pipe 10, the third valve 16 and the vacuum pump 14 are closed, and the second valve 15 is opened, so that the slurry flows into the waste slurry barrel 12, and the condition that the surface of the component 1 is polluted by the slurry flowing out of the slurry outlet pipe 10 is avoided.

And S8, cleaning the grout outlet pipe 10, the grout pipe 4 and the grout pump 3 to finish grouting.

Therefore, the utility model discloses an above-mentioned assembled concrete building structure cementer can solve current cementer and easily cause the closely knit degree of grout poor, influences structural connection intensity and construction quality's problem.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides an assembled concrete building structure cementer which characterized in that: the grouting pump is communicated with a plugging device at a grouting hole through a grouting pipe, the grouting hole is communicated with a grout outlet through a communicating cavity, the plugging device is arranged at the grout outlet, the plugging device is communicated with one end of the grout outlet, the other end of the grout outlet is provided with a first branch pipe and a second branch pipe, one end of the first branch pipe is provided with a waste grout barrel, and one end of the second branch pipe is communicated with the vacuum pump;

2. The fabricated concrete building structure grouting device of claim 1, wherein: the grouting pipe and the grout outlet pipe are connected with the plugging device through connector pipes, and the connector pipes are in interference insertion connection with the plugging device, the grouting pipe and the grout outlet pipe.

3. The fabricated concrete building structure grouting device of claim 1, wherein: the plugging device comprises a hollow screw rod, a pressure plate is fixedly arranged at one end of the outer part of the screw rod, a reaction plate is sleeved on the outer part of the screw rod, an expansion ring is arranged between the reaction plate and the pressure plate, a through hole which is arranged in the center of the expansion ring and the reaction plate and allows the screw rod to pass through is formed in the center of the expansion ring and the reaction plate, the aperture of the through hole is larger than the outer diameter of the screw rod, the diameter of the reaction plate is larger than the diameter of the expansion ring and the diameter of the pressure plate, a locking nut is connected to; the other end of the screw rod is connected with a transparent hose, a self-sealing strip is arranged inside the hose, a reverse folding line is arranged on the hose, and the reverse folding line is positioned outside the self-sealing strip; the hose is connected with the grouting pipe or the grout outlet pipe through the joint pipe.

4. The fabricated concrete building structure grouting device according to claim 3, characterized in that: the diameters of the pressure plate and the expansion ring are smaller than the apertures of the grout outlet and the grout hole, and the diameter of the reaction plate is larger than the apertures of the grout outlet and the grout hole.

5. The fabricated concrete building structure grouting device according to claim 3, characterized in that: a handle which is convenient for rotating the locking nut is arranged on the outer surface of the locking nut; and anti-skid grains for increasing the connection strength of the plastic hose and the screw are arranged on the outer surface of one end of the screw, which is connected with the plastic hose.